#include <stdio.h>

int main(void)
{
int a, b, i, area, total_area = 0;

for(i=1; i<=4; i++) {
a = (i-1) * (i-1) * 4;
b = i * i * 4;
area = a + b;
printf("台形(%d)ａ=%2d、ｂ=%2d、h=２　面積=%d\n", i, a, b, area);
total_area += area;
}

printf("４つの台形の面積の合計=%d\n", total_area);

return 0;
}