n-into-n2.py

def y(x):
    i = 0
    
    while x > i:
        i += 1
        x -= i

    return i-x, x

print(y(0))
print(y(1))
print(y(2))
print(y(3))
print(y(4))
print(y(5))
print(y(6))
print(y(7))
print(y(8))
print(y(9))
print(y(10))

print(y(9485935849484))