# Write a function to check if a triangle of positive area is possible with the given angles.
def is_triangleexists(a, b, c):
    if a != 0 and b != 0 and c != 0 and (a + b + c) == 180:
        if (a + b) >= c or (b + c) >= a or (a + c) >= b:
            return True
        else:
            return False
    else:
        return False
