This code of problem TLG is giving wrong answer message after submitting code written in python. Can anyone help me to find error,

1

problem url : https://www.codechef.com/problems/TLG
n=int(input())

x=[]
y=[]
lp=[]
w=[]
for i in range(0,n):
a,b=input().split()
x.append(a)
y.append(b)

for i in range(0,n):
lp.append(abs(int(x[i]) - int(y[i])))
if int(x[i]) > int(y[i]):
w.append(1)
else:
w.append(2)

r=lp.index(max(lp))
print(w[r],lp[r])