#include <stdio.h> int main() { int start; int end; int step_size; printf("Count down start?\n"); scanf("%d",&start); printf("Count down end?\n"); scanf("%d",&end); printf("Step size?\n"); scanf("%d",&step_size); // Perform count down printf("%d", start); for (int i = start - step_size; i >= end; i -= step_size) { printf(", %d", i); } return 0; }