x1=int(input())
x2=int(input())
y1=int(input())
y2=int(input())
a1=x1*y1
if a1>2147483647 or a1<-2147483648:
    print("long long int")
else:
    a1=x1*y2
    if a1>2147483647 or a1<-2147483648:
        print("long long int")
    else:
        a1=x2*y1
        if a1>2147483647 or a1<-2147483648:
            print("long long int")
        else:
            a1=x2*y2
            if a1>2147483647 or a1<-2147483648:
                print("long long int")
            else:
                print("int")