#include <stdio.h>

void main()
{
	int diff;
	int methus;
	int you;
	char years[8];

	printf("How old are you?");
	gets(years);
	you=atoi(years);

	methus=969;	/* Methuselah was 969 years old */

	diff=methus-you;

	printf("You are %i years younger than Methuselah.\n",diff);
}