'''

Author: keshavsingh4522

DP/Hashing/find pair whose sum is equal to target sum.py

@@ -0,0 +1,21 @@
+'''
+find pair whose sum is equal to target sum
+'''
+from collections import defaultdict
+n=int(input())
+a=defaultdict(list)
+
+a1=list(map(int,input().split()))
+le=len(a1)
+
+i=0
+while i<le:
+    a[a1[i]]=i
+    i+=1
+
+i=0
+while i<le:
+    if a[n-a1[i]]!=[]:
+        print(i,a1[i],n-a1[i])
+        break
+    i+=1