100%AC(C)

#include<stdio.h>
int akm(int m,int n){
    return (m==0?n+1:(m>0&&n==0?akm(m-1,1):akm(m-1,akm(m,n-1))));
}
int main(){
    int m,n;
    scanf("%d %d",&m,&n);
    printf("%d",akm(m,n));
}