#include <stdio.h>
int main() {
int sum;
printf("Enter the sum of digits: ");
scanf("%d", &sum);
printf("Three-digit numbers with given sum of digits:\n");
for (int i = 100; i < 1000; i++) {
int num = i;
int digit1 = num / 100;
num %= 100;
int digit2 = num / 10;
int digit3 = num % 10;
if (digit1 + digit2 + digit3 == sum) {
printf("%d\n", i);
}
}
return 0;
}