#include<stdio.h>
int power(int a, int x) {
int answer = 1;
for (int i = 0; i < x; i++) {
answer *= a;
}
return answer;
}
int sumpower() {
int sum = 0;
for (int i = 1; i <= 9; i++) {
for (int j = 0; j <= 9; j++) {
sum += power(i, j);
}
}
return sum;
}
int main() {
printf("%d",sumpower());
return 0;
}
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