ans=[]
Q=int(input())
for i in range(Q):
    q=list(map(int,input().split()))
    if q[0]==1:
        res=q[1]+q[2]
        ans.append(res)
    else:
        ans.append(i+1)

import sys
sys.stdout.write('\n'.join(map(str,ans))+'\n')