Buggy python submission (verdict: Runtime Error):
a, b, c, d = map( int, input().split() )
while True:
    c = c - b
    if c < = 0:
  		print( "Yes" )
  		break
	a = a - d
  	if a < = 0:
  		print( "No" )
  		break
        

Fixed submission:

a, b, c, d = map( int, input().split() )
#print( a, b, c, d )
 
for i in range( 200 ):
    c = c - b
    if c <= 0:
        print( "Yes" )
        exit()
 
    a = a - d
    if a <= 0:
        print( "No" )
        exit()

Buggy python submission (verdict: Runtime Error):
a,b,c,d=map(int,input().split())
count=0
while True:
    c=c-b
    print(count+=1)
    if c<=0:
  		print("Yes")
  		break
	a=a-d
    print(count+=1)
  	if a<=0:
  		print("No")
  		break

Fixed submission:

a, b, c, d = map( int, input().split() )
#print( a, b, c, d )
 
for i in range( 200 ):
    c = c - b
    if c <= 0:
        print( "Yes" )
        exit()
 
    a = a - d
    if a <= 0:
        print( "No" )
        exit()

Buggy python submission (verdict: Runtime Error):
a,b,c,d=map(int,input().split())

while True:
    c=c-b
    if c<=0:
  		print("Yes")
  		break
	a=a-d
  	if a<=0:
  		print("No")
  		break

Fixed submission:

a, b, c, d = map( int, input().split() )
#print( a, b, c, d )
 
for i in range( 200 ):
    c = c - b
    if c <= 0:
        print( "Yes" )
        exit()
 
    a = a - d
    if a <= 0:
        print( "No" )
        exit()

Buggy python submission (verdict: Runtime Error):
a, b, c, d = map( int, input().split() )
 
for i in range( 200 ):
    c = c - b
    if c <= 0:
        print( "Yes" )
        exit()
 
    a = a - d
    if a <= 0:
        print( "No" )
        exit()

        
a,b,c,d=map(int, input().split() )
 
for i in range( 200 ):
    c=c-b
    if c<=0:
  		print("Yes")
  		break
	a=a-d
  	if a<=0:
  		print("No")
  		break

Fixed submission:

a, b, c, d = map( int, input().split() )
#print( a, b, c, d )
 
for i in range( 200 ):
    c = c - b
    if c <= 0:
        print( "Yes" )
        exit()
 
    a = a - d
    if a <= 0:
        print( "No" )
        exit()

Buggy python submission (verdict: Runtime Error):
a,b,c,d=map(int, input().split())
 
for i in range( 200 ):
    c=c-b
    if c<=0:
  		print("Yes")
  		break
	a=a-d
  	if a<=0:
  		print("No")
  		break

Fixed submission:

a, b, c, d = map( int, input().split() )
#print( a, b, c, d )
 
for i in range( 200 ):
    c = c - b
    if c <= 0:
        print( "Yes" )
        exit()
 
    a = a - d
    if a <= 0:
        print( "No" )
        exit()

Buggy python submission (verdict: Runtime Error):
a,b,c,d=map(int, input().split())
 
for i in range( 200 ):
    c=c-b
    if c<=0:
  		print("Yes")
  		exit()
	a=a-d
  	if a<=0:
  		print("No")
  		exit()

Fixed submission:

a, b, c, d = map( int, input().split() )
#print( a, b, c, d )
 
for i in range( 200 ):
    c = c - b
    if c <= 0:
        print( "Yes" )
        exit()
 
    a = a - d
    if a <= 0:
        print( "No" )
        exit()

Buggy python submission (verdict: Runtime Error):
import numpy as np
a,b,c,d=map(int, input().split())
 
while True:
    c=c-b
    if c<=0:
  		print("Yes")
  		exit()
	a=a-d
  	if a<=0:
  		print("No")
  		exit()

Fixed submission:

a, b, c, d = map( int, input().split() )
#print( a, b, c, d )
 
for i in range( 200 ):
    c = c - b
    if c <= 0:
        print( "Yes" )
        exit()
 
    a = a - d
    if a <= 0:
        print( "No" )
        exit()

Buggy python submission (verdict: Runtime Error):
a,b,c,d=map(int, input().split())
 
while True:
	c=c-b
  	if c<=0:
  		print("Yes")
  		exit()
	a=a-d
  	if a<=0:
  		print("No")
  		exit()

Fixed submission:

a, b, c, d = map( int, input().split() )
#print( a, b, c, d )
 
for i in range( 200 ):
    c = c - b
    if c <= 0:
        print( "Yes" )
        exit()
 
    a = a - d
    if a <= 0:
        print( "No" )
        exit()

Buggy python submission (verdict: Runtime Error):
a,b,c,d=map(int, input().split())
 
while True:
	c=c-b
  	if c<=0:
  		print("Yes")
  		quit()
	a=a-d
  	if a<=0:
  		print("No")
  		quit()

Fixed submission:

a, b, c, d = map( int, input().split() )
#print( a, b, c, d )
 
for i in range( 200 ):
    c = c - b
    if c <= 0:
        print( "Yes" )
        exit()
 
    a = a - d
    if a <= 0:
        print( "No" )
        exit()

Buggy python submission (verdict: Runtime Error):
a,b,c,d=map(int, input().split())
while True:
	c=c-b
  	if c<=0:
  		print("Yes")
  		break
	a=a-d
  	if a<=0:
  		print("No")
  		break

Fixed submission:

a, b, c, d = map( int, input().split() )
#print( a, b, c, d )
 
for i in range( 200 ):
    c = c - b
    if c <= 0:
        print( "Yes" )
        exit()
 
    a = a - d
    if a <= 0:
        print( "No" )
        exit()

Buggy python submission (verdict: Runtime Error):
a,b,c,d=map(int, input().split())
 
while True:
	c=c-b
  	if c<=0:
  		print("Yes")
  		break
	a=a-d
  	if a<=0:
  		print("No")
  		break

Fixed submission:

a, b, c, d = map( int, input().split() )
#print( a, b, c, d )
 
for i in range( 200 ):
    c = c - b
    if c <= 0:
        print( "Yes" )
        exit()
 
    a = a - d
    if a <= 0:
        print( "No" )
        exit()

Buggy python submission (verdict: Runtime Error):
"""
A高橋体力
B高橋攻撃力
C青木体力
D青木攻撃力
"""
 
a,b,c,d=map(int, input().split())
 
while(true):
	c=c-b
  	if c<=0:
  		print("Yes")
  		break
	a=a-d
  	if a<=0:
  		print("No")
  		break

Fixed submission:

a, b, c, d = map( int, input().split() )
#print( a, b, c, d )
 
for i in range( 200 ):
    c = c - b
    if c <= 0:
        print( "Yes" )
        exit()
 
    a = a - d
    if a <= 0:
        print( "No" )
        exit()

Buggy python submission (verdict: Runtime Error):
"""
A高橋体力
B高橋攻撃力
C青木体力
D青木攻撃力
"""

a,b,c,d=map(int, input().split())

while(true):
  c=c-b
  	if c<=0:
  		#takahasi win
  		print("Yes")
  		break
  a=a-d
  	if c<=0:
  		#takahasi win
  		print("No")
  		break


Fixed submission:

a, b, c, d = map( int, input().split() )
#print( a, b, c, d )
 
for i in range( 200 ):
    c = c - b
    if c <= 0:
        print( "Yes" )
        exit()
 
    a = a - d
    if a <= 0:
        print( "No" )
        exit()