枚举

结构体暴力枚举。输出细节很多，尤其是在没有数的时候，要输出 $0$。

#include<cstdio>
#include<cstring>
using namespace std;

#define ll long long
#define ull unsigned long long
namespace io{
const int size=(1<<20)+1;
char buf[size],*p1=buf,*p2=buf;
char buffer[size];
int op1=-1;
const int op2=size-1;
inline char readchar() {
	if(p1!=p2) {
		return *p1++;
	}
	return p1==(p2=(p1=buf)+fread(buf,1,size-1,stdin))?EOF:*p1++;
}
inline void flush() {
	fwrite(buffer,1,op1+1,stdout),op1=-1;
}
inline void writechar(const char &x) {
	if(op1==op2) flush();
	buffer[++op1]=x;
}
#ifndef ONLINE_JUDGE
#define gc getchar
#else
#define gc readchar
#endif
#define pc writechar
#define el pc(10)
#define sp pc(32)
inline int readi(){
	int x=0;bool w=0;
	char ch=gc();
	while(ch<'0'||ch>'9'){
		if(ch==EOF) return EOF;
		if(ch=='-') w=1;
		ch=gc();
	}
	while(ch>='0'&&ch<='9'){
		x=(x<<3)+(x<<1)+(ch^48);
		ch=gc();
	}
	return w?-x:x;
}

inline ll readl(){
	ll x=0;bool w=0;
	char ch=gc();
	while(ch<'0'||ch>'9'){
		if(ch=='-') w=1;
		ch=gc();
	}
	while(ch>='0'&&ch<='9'){
		x=(x<<3)+(x<<1)+(ch^48);
		ch=gc();
	}
	return w?-x:x;
}

inline ll readull(){
	ll x=0;
	char ch=gc();
	while(ch>=32){
		if(ch>='0'&&ch<='9')x=(x<<3)+(x<<1)+(ch^48);
		ch=gc();
	}
	if(ch==-1) x=-x;
	return x;
}

inline void reads(char* s){
	char ch=gc();
	while(ch>32) *(s++)=ch,ch=gc();
	*s=0;
}

inline void readline(char* s){
	char ch=gc();
	while(ch>=32) *(s++)=ch,ch=gc();
	*s=0;
}

inline void clearline(){
	char ch=gc();
	while(ch>=32) ch=gc();
}

void write(int x){
	if(x<0) pc('-'),x=-x;
	if(x>9) write(x/10);
	pc((x%10)^48);
}

void write(ll x){
	if(x<0) pc('-'),x=-x;
	if(x>9) write(x/10);
	pc((x%10)^48);
}

void write(ull x){
	if(x>9) write(x/10);
	pc((x%10)^48);
}

void writes(const char* s){
	const char*pt=s;
	while(*pt!=0)pc(*pt++);
}
};// io
using namespace io;

const struct{
	char s[10];
	int d;
} num[26]={
	{"one",1},
	{"two",2},
	{"three",3},
	{"four",4},
	{"five",5},
	{"six",6},
	{"seven",7},
	{"eight",8},
	{"nine",9},
	{"ten",10},
	{"eleven",11},
	{"twelve",12},
	{"thirteen",13},
	{"fourteen",14},
	{"fifteen",15},
	{"sixteen",16},
	{"seventeen",17},
	{"eighteen",18},
	{"nineteen",19},
	{"twenty",20},
	{"a",1},
	{"both",2},
	{"another",1},
	{"first",1},
	{"second",2},
	{"third",3},
};

int main(){
	char a[105],b[105],c[105],d[105],e[105],f[105];
	reads(a);reads(b);reads(c);reads(d);reads(e);reads(f);
	int ans[6]={0};
	for(int i=0;i<26;i++){
		if(!strcmp(num[i].s,a))ans[0]=num[i].d*num[i].d%100;
		if(!strcmp(num[i].s,b))ans[1]=num[i].d*num[i].d%100;
		if(!strcmp(num[i].s,c))ans[2]=num[i].d*num[i].d%100;
		if(!strcmp(num[i].s,d))ans[3]=num[i].d*num[i].d%100;
		if(!strcmp(num[i].s,e))ans[4]=num[i].d*num[i].d%100;
		if(!strcmp(num[i].s,f))ans[5]=num[i].d*num[i].d%100;
	}
	int ff=0;
	for(int i=0;i<6;i++){
		if(ans[i]){
			if(ff){
				pc(ans[i]/10^48);
				pc(ans[i]%10^48);
			}
			else{
				write(ans[i]);
				ff=1;
			}
		}
	}
	if(!ff)pc(48);
	
    flush();return 0;
}