#include <stdio.h>

int main(void)
{
    int A,B,N;
    char S;
    
    N=A+B;
    
    scanf("%d\n",&A);
    scanf("%d\n",&B);
    scanf("%s\n",&S);
    
    printf("%d",N);
    printf("%s",S);
    
    return 0;
}