#include <stdio.h>
 
int power(int base, int z) {
    int result=1;
    for(int i=0;i<z;i++) {
        result*=base;
    }
    return result;
}
 
int func(int x, int y, int z) {
    static int call_count=0;
 
    if(x==0 && y==0 && z==0) {
        return call_count;
    }else{
         call_count++;
         return power(x,z)+power(y,z);
    }
}
 
int main(void) {
    printf("%d\n", func(3, 4, 2));
    printf("%d\n", func(1, 2, 3));
    printf("%d\n", func(0, 0, 0));
 
    return 0;
}
 

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