#include<stdio.h>
#include<conio.h>
typedef struct{int step,min,sec;}ugao;
ugao Sabiranje(ugao a,ugao b)
{
	ugao c;
	c.sec=a.sec+b.sec;
	if(c.sec>=60)
	{
		c.min++;
		c.sec=c.sec-60;
	}
	c.min=a.min+a.min;
	if(c.min>=60)
	{
		c.step++;
		c.min=c.min-60;
	}
	c.step=a.step+b.step;
	if(c.step>=360) c.step=c.step-360;
	return c;
}
main()
{
	ugao u1,u2,u3,ab,abc;
	printf("Unesite prvi ugao:");
	scanf("%d%d%d",&u1.step,&u1.min,&u1.sec);
	printf("Unesite drugi ugao:");
	scanf("%d%d%d",&u2.step,&u2.min,&u2.sec);
	printf("Unesite treci ugao:");
	scanf("%d%d%d",&u3.step,&u3.min,&u3.sec);
	ab=Sabiranje(u1,u2);
	abc=Sabiranje(ab,u3);
	if(abc.step<180) printf("Uglovi mogu biti uglovi jednog trougla");
	else ("Ne moze biti uglovi");
	getch();
}