#include<stdio.h>
#include<math.h>

int main()
{
    int base, exponent;
    long long result;
    
    scanf("%d", &base);
    scanf("%d", &exponent);
    
    if(base < -50 || base > 50 || exponent < -10 || exponent > 10) {
        printf("Invalid input");
        return 0;
        }
result = mod(base, exponent);

printf("%lld", result);
return 0;
}