#include <stdio.h>

int z, r;

void main()
{
scanf("%d", &z);
r = z % 2;
if (r == 0)
printf("%d is even number.\n", z);
else
printf("%d is odd number.\n", z);
}


#include <stdio.h>

int r, i;
int h, m, s;

void main()
{
scanf("%d", &r);
h = r / 3600;
i = r % 3600;
m = i / 60;
s = i % 60;
printf("%d Seconds   is   %d Hours,   %d Minutes and %d Seconds!\n", r, h, m, s);
}


#include <stdio.h>

int h, m, s, r;

void main()
{
scanf("%d %d %d", &h, &m, &s);
r = h * 3600 + m * 60 + s;
printf("%d Hours, %d Minutes, %d Seconds is   %d Seconds!\n", h, m, s, r);
}

#include <stdio.h>

int kro, eng, math, sum, avg;

void main()
{
printf("This program is to calculate sum and average of 3 scores.\n");
scanf("%d %d %d", &kor, &eng, &math);
sum = kor + eng + math;
avg = sum / 3;
printf("Korean = %d, English = %d, Math = %d\n", kor, eng, math);
printf("Sum = %d, Average = %d\n", sum, avg);
}

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