7 lines
143 B
Python
7 lines
143 B
Python
X = int(input())
|
|
Y = 0
|
|
for i in range(int(input())):
|
|
A, B = map(int,input().split())
|
|
Y += A*B
|
|
if X==Y : print("Yes")
|
|
else : print("No") |