#include <stdio.h>
#include <stdlib.h>

int f (int a, int b) {
    int res = 1;
    while (b != 0) {
        res *= a;
        b--;
    }
    return res;
}
     
int main(int argc, char **argv) {
    if (argc < 3) {
        printf("Usage: %s a b\n", argv[0]);
        exit(EXIT_SUCCESS);
    }
    int a = atoi(argv[1]);
    int b = atoi(argv[2]);
    int c = f(a, b);
    printf("f(%d, %d) = %d\n", a, b, c);
    exit(EXIT_SUCCESS);
}