n=int(input())

ls=list(map(int,input().split()))
ev,od=0,0
for i in range(0,n):
    if i%2==0:
        ev+=ls[i]
    else:
        od+=ls[i]
if (abs(ev-od))==0:
    print("YES")
else:
    print("NO")

Author: SrinivasSurisetti

Sum_of_odd_and_even_digits.py

@@ -0,0 +1,12 @@
+n=int(input())
+ls=list(map(int,input().split()))
+ev,od=0,0
+for i in range(0,n):
+    if i%2==0:
+        ev+=ls[i]
+    else:
+        od+=ls[i]
+if (abs(ev-od))==0:
+    print("YES")
+else:
+    print("NO")