#include <stdio.h>
int main(void) {
int num1, num2, num3;
scanf("%d %d %d", &num1
, &num2
, &num3
);
if (num1 >= num2 && num1 >= num3) {
printf("Greatest number is %d", num1
); } else if (num2 >= num1 && num2 >= num3) {
printf("Greatest number is %d", num2
); } else {
printf("Greatest number is %d", num3
); }
return 0;
}
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