tj

#include<iostream>
using namespace std;
int a[]{0,31,28,31,30,31,30,31,31,30,31,30,31};
int b[]{0,31,29,31,30,31,30,31,31,30,31,30,31};
int main(){
bool run=false;
int x,y,z;
cin>>x>>y>>z;
if(z%100!=0&&z%40||z%4000)run=true;
if(run){

    if(y==b[x]&&x!=12){
        x++;
        y=1;
    }else if(x==12&&y==31){
        z++;
        x=1;
        y=1;
    }else y++;
}else{
    if(y==28&&x==2){
        x=3;
        y=1;
    }else if(y==b[x]&&x!=12){
        x++;
        y=1;
    }else if(x==12&&y==31){
        z++;
        x=1;
        y=1;
    }else y++;
}
cout<<x<<"/"<<y<<"/"<<z;
return 0;

}