import sys
import time
t1=time.clock()

f1=open("in16_10.txt")
l=f1.readlines()
ar_d=l[0]
i=ar_d.index(',')
m=str(ar_d[0:i])
n=str(ar_d[i+1:len(ar_d)])
matrix=[]
count=0
comparison=0
for i in range(1,int(m)+1):
    a=[int(g) for g in l[i].split()]
    matrix.append(a)
for i in range (0,int(m)):
    for j in range(0,int(n)):
        if(matrix[i][j]==0):
           count+=1
        comparison+=1
f2=file("out_20_16_10.txt",'w')
print >>f2,count
t2=time.clock()
f2.write("Time taken is:"+" "+ str(t2-t1)+'seconds'+'\n')
f2.write("Number Comparison done is:"+" "+ str(comparison)+'\n')
f2.write("Memeory taken is:"+" "+str(sys.getsizeof(matrix)+sys.getsizeof(ar_d)+sys.getsizeof(f1)+sys.getsizeof(f2)+sys.getsizeof(count)))
f2.close()