for l in io.lines()do
m={}
i=1
for n in l:gmatch("%d+")do m[i]=tonumber(n);i=i+1 end

function r(i)
return i-i%1
end

function w(a)
y,m,d=a[1],a[2],a[3]
if m<3 then y=y-1;m=m+12 end
return (y+r(y/4)-r(y/100)+r(y/400)+r((13*m+8)/5)+d)%7
end

print(w(m))
end